Concrete Drill Bit lengthening 1pcs 1-1/4″ X 18″-16″ Cross-Type Double Thread Carbide Material Suitable for Concrete, Brick, Cement Walls, Stone, Extra Long Hammer Drill Bits for Concrete
$29.99
Price: $29.99
(as of Oct 11, 2025 06:47:06 UTC – Details)
Product description
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4.7 out of 5 stars 1,263
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4.6 out of 5 stars 289
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Materials
Stainless Steel 410 Iron Stainless Steel 410 Iron Stainless Steel 304 Iron
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4.6 out of 5 stars 707
4.6 out of 5 stars 707
4.6 out of 5 stars 97
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4.3 out of 5 stars 44
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$15.29$15.29 $9.89$9.89 $17.99$17.99 $15.99$15.99
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$19.99$19.99
Materials
Stainless Steel 304 Yellow Zinc Plated Yellow Zinc Plated Stainless Steel 304 Zinc Plated Cobalt
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4.7 out of 5 stars 119
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Materials
Stainless Steel 304 Iron Stainless Steel 304 Stainless Steel 304 Stainless Steel 304 Zinc
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4.1 out of 5 stars 256
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Materials
Plastic Zinc Plastic Plastic Plastic Iron
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4.6 out of 5 stars 639
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Materials
stainless steel Aluminum Black Aluminum 410 Stainless Steel Zinc Iron
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4.9 out of 5 stars 50
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4.3 out of 5 stars 195
4.4 out of 5 stars 364
4.6 out of 5 stars 59
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4.7 out of 5 stars 302
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Package Dimensions : 18.42 x 1.46 x 1.46 inches; 3.04 Pounds
Item model number : WEN-1Q2X18-CT-DS
Date First Available : June 13, 2023
Manufacturer : Wensilon
ASIN : B0C7VTCCHD
Best Sellers Rank: #2,774 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #1 in Rotary Hammer Drill Bits
Customer Reviews: 4.5 4.5 out of 5 stars 564 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
SIZE INTRODUCTION:The total length is 18 inches, the actual effective length is 16 inches.
Alloy Cutter Head: The harder cross cutter is easier and more efficient for drilling work.
Material: High-strength alloy steel is made by Wensilon, very hard.
Ripple design: double line of drill bit design, drilling and punching is faster, stone powder is easier to peel off from the wall.
Compatible with most brands of impact drills on the market
Customers say
Customers find these drill bits to be well-made and effective, cutting through 6 inches of concrete like butter and working well in hammer drills. The bits are durable and good value for money, with one customer noting they cut through granite easily. While some customers report fast drilling speeds, others find them not quick enough. Several customers report issues with the bits bending and breaking during use.
9 reviews for Concrete Drill Bit lengthening 1pcs 1-1/4″ X 18″-16″ Cross-Type Double Thread Carbide Material Suitable for Concrete, Brick, Cement Walls, Stone, Extra Long Hammer Drill Bits for Concrete
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$29.99
S. M. –
Nice drill bits and great value.
The drill bits are great. Used them drilling into natural stone. They cut very well.
LEW –
Sturdy
Nice quality and sturdy used to attach speed bump to asphalt Worked great and was a good value
Burke Workman –
High Quality
I had about 20 holes I had to drill in concrete. Bought these hoping that I wouldn’t need to buy more bits to get the job done. Did it with just one bit, and it was still drilling well on the final hole. One thing….these are SDS bits. I didn’t know the difference. I have 2 hammer drills but neither are SDS. These bits don’t work well in conventional drill chucks.
Spoon –
Worked great.
I almost paid $50 for one of these at Lowes. I decided to wait to get them shipped and glad I did. These bits worked great and fit perfectly in my sds drill.They cut through 6 inches of concrete like nothing. The 4 edge bit is fast. Would recommend.
Paul evans –
Concrete bits
Super tough concrete bits. Not as fast drilling as some I have but last longer.
Dana H –
High quality, low price, everybody wins!
Incredible value for the money. I needed to drill a 3/8″ hole thru 10″ cement block to run a water line. These bits are by far the best concrete bits I have ever used. They have a star shaped carbide bit that cuts quickly and accurately. These bits also have a type of shaped end that fit into the drill chuck no problem. I used a standard 1/2″ hammer drill and these bits really cut fast. It did not matter if it was thru mortar or block these bits cut thru with ease. The price is for 3, don’t be fooled into thinking they have to be junk because the price is so reasonable.
budharris –
Worthless
I bought these 5 bits, thinking it was a great deal I tried 3 drill bits none would drill into cynder blocks or concrete.This is the worst product I have ever bought at Amazon, I’m really glad I didn’t spend alot of money but then I would have returned instead of throwing away.
Beautiful workmanship. Very nice. A joy to wear it at church services –
Worked well easy to use
Exactly what I ordered worked beautifully. Thank you for shipping it so quickly packaging was excellent. Very sharp fit my drill. What else can I ask for? Wonderful thank you so much.
Kurt LIM –
Awesome, drill into reinforced concrete like butter. Compare to Makita 4mm drill bit at 50mm(110mm total) in length, these 4″/100mm(150mm/6″ total) drill faster with less resistance. Also, the CONFAST 3/16″ concrete screw broke when screwing into the hole drilled by the Makita 4mm drill bit. Might be the Confast screw is lousy or the 4mm hole is too big? But 5/32″ IS â3.96875â¬, â â0.03125â¬mm smaller than 4mm, I don’t think that would made any difference. I would say these drill bit created cleaner hole for the 3/16″ screw to bite on. I was kind of disappointed with the first concrete screw I ever tried as it broke but these work wonderfully, Highly recommended!